Class 4 PoE - 33Vdc-57Vdc Input, 3.3V/7.6A Active Clamp Forward
PMP4908
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Description & Features

Technical Documents

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Description

The PMP4908 reference design uses the TPS23754 PoE controller to control an active clamp forward converter that delivers up to 25W at 3.3V. The CSD16406 synchronous rectifiers allow this design to achieve efficiencies over 93%.

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  




Parametrics
 PMP4908.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)57
Vout (Nom) (V)3.3
Iout (Max) (A)7.6
Output Power (W)25.08
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyForward- Active Clamp
Forward- Synchronous
POE

TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD16406Q3  25V, N ch NexFET MOSFET™, single SON3x3, 7.4mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS23754  IEEE 802.3at, high efficiency, PoE interface and DC/DC controller  Power over Ethernet (PoE)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD16406Q3 VSON-CLIP (DQG)| 8 Download Download
(DQV) | 8 Download -
TPS23754 Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Step 1: Download and install the free download.

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1066 15 Aug 2011
Design files (4)
Title Type Size (KB) Date
PDF 68 11 Mar 2013
ZIP 123 11 Mar 2013
PDF 64 01 Aug 2011
PDF 70 01 Aug 2011

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